Home / 7,605.21-10,493.91-4,247.90

Finding the Fourth Proportional to 7,605.21, 10,493.91 and 4,247.90

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Solution

The fourth proportional to 7,605.21, 10,493.91 and 4,247.90 is: 5,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.21 : 10,493.91 = 4,247.90 : x
  2. Step 2: Convert to fraction form
    7,605.21/10,493.91 = 4,247.90/x
  3. Step 3: Cross multiply
    7,605.21x = 10,493.91 × 4,247.90
  4. Step 4: Simplify right side
    7,605.21x = 44,577,080.29
  5. Step 5: Solve for x
    x = 44,577,080.29/7,605.21
  6. Step 6: Final answer
    x = 5,861.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.